Under normal loading condition, a 3.6m thick normally consolidated clay has an in-situ overburden pressure of 100 kPa and initial void ratio of 1.22. A surcharge of 190 kPa reduces its void ratio to 0.98. The hydraulic conductivity of the clay for the loading range is 6.1 x 10-5 m/day. Determine the full consolidation settlement of the clay layerDetermine its compression indexDetermine the coefficient of volume compressibility of the clayHow long will it take for this clay layer to reach 60% consolidation if it is drained on one side only?

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Answered: Under normal loading condition, a 3.6m…

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter9: Consolidation

Section: Chapter Questions

Problem 9.17P

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Under normal loading condition, a 3.6m thick normally consolidated clay has an in-situ overburden pressure of 100 kPa and initial void ratio of 1.22. A surcharge of 190 kPa reduces its void ratio to 0.98. The hydraulic conductivity of the clay for the loading range is 6.1 x 10^-5 m/day.

Determine the full consolidation settlement of the clay layer
Determine its compression index
Determine the coefficient of volume compressibility of the clay
How long will it take for this clay layer to reach 60% consolidation if it is drained on one side only?

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